This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Apr1214 02:54 PM
marcus

59 
45,728 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

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22,224 
Nima ArkaniHamed is a brilliant young phenomenologist (b.1972) who left a faculty position at Harvard this year to...

Nov2708 11:36 AM
marcus

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2,099 
arXiv:0811.4129 (crosslist from grqc)
Title: Consistent Loop Quantum Cosmology
Authors: Martin Bojowald ...

Nov2708 09:23 AM
wolram

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Rovelli was invited by the organizers of the annual strings conference, Strings 2008, to give a plenary session talk...

Nov2708 08:25 AM
marcus

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Hi,
well after several readings I believe it that the theory of the cords does not give in its approximations the...

Nov2508 07:36 AM
Fra

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2,276 
How does special relativity affect a quantized spacetime? Specifically, how can time and space be quantized the same...

Nov2408 05:48 PM
Savant13

24 
3,075 
(If this thread doesn't belong to this group, Iam sorry"...
Regarding the "GRAND UNIFIED THEORY"
It is the theory to...

Nov2108 06:24 PM
gpitynski

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2,024 
Any models worth checking out that do not rely on small curled up dimensions? And by large dimensions I don't mean...

Nov2108 01:59 AM
robousy

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1,322 
In my readings I came across some solutions of classical supergravity theories that are hard to understand. I am...

Nov2008 10:12 AM
Professor_E

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1,065 
This item has connections with the definition of time, the unresolved black hole information paradox, the...

Nov1908 11:26 AM
marcus

0 
1,432 
Hello!
Does anyone know whether in the current phase of String Theory, there are any equations that would enable us...

Nov1708 09:02 AM
malawi_glenn

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1,801 
http://arxiv.org/PS_cache/arxiv/pdf/0811/0811.2161v1.pdf
He finds that only twists and knots are conserved in...

Nov1608 07:05 PM
MTd2

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1,395 
what is string theory? thanks guys

Nov1608 06:11 PM
asto lover

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1,141 
The interesting part is this one:
7. Lattice
Lattice implementations for gravity in four dimensions have been put...

Nov1608 07:27 AM
marcus

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1,680 
Which of these 3rd quarter 2008 papers do you predict will prove most valuable to future research? Significant papers...

Nov1408 07:15 PM
marcus

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http://arxiv.org/abs/grqc/0609004
Calculation of the Cosmological Constant by Unifying Matter and Dark Energy...

Nov1408 06:17 AM
MTd2

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3,344 
A relation between Clifford Space and String?
William Kingdon Clifford: British philosopher and mathematician...

Nov1408 04:48 AM
MTd2

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arXiv:0811.1229 (crosslist from grqc)
Title: Unambiguous Quantum Gravity Phenomenology Respecting Lorentz...

Nov1308 10:48 PM
granpa

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2,715 
Craig Hogen, in his paper Indeterminacy of Holographic Quantum Geometry, Phys. Rev D 78, 087501 (2008), has claimed...

Nov1308 10:36 PM
Chronos

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1,816 
Hi! Thanks for pay attention. I am learning spinfoam model through Rovelli's book and other reviews. I don't know how...

Nov1308 06:56 AM
mbird

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1,568 
The purpose of this thread is not so much to discuss immature details but to see what the general opinon is about the...

Nov1208 02:34 PM
Fra

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2,544 
using the WKB expansion upto any power of \hbar could we writte the path integral as
I_{WKB}(1+...

Nov1208 08:57 AM
mhill

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1,357 
Is it currently being researched as to how the four fundamental forces we know of can somehow just be one greater...

Nov1208 05:13 AM
MTd2

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2,773 
I was looking at the wikipedia "List of particles" (http://en.wikipedia.org/wiki/List_of_particles) and I came across...

Nov908 11:07 PM
Coin

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Now it’s Saturn’s turn to flummox astrophysicists. The Russian astronomer Elean Pitjeva, who heads the Laboratory of...

Nov808 07:14 PM
SpaceBS

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I have a question concerning the mathematical predictions for spacetime under String Theory. Physicist David Gross of...

Nov808 04:52 PM
BenTheMan

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1,377 
I was trying to think in general means to localy preserve causality. By "means", it means to include (or not) varying...

Nov808 03:07 PM
MTd2

3 
1,244 
Hello everyone
I have a question regarding string theory (ST) predictions:
I am not interested (in this thread)...

Nov808 09:16 AM
WaveJumper

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3,666 
Hey folks,
I just had a thought I wanted to share with you guys.
Just to review first the idea of Large extra...

Nov708 10:54 PM
robousy

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1,886 
I find the recent results from those experiments quite interesting and it is somewhat disturbing not to see any...

Nov708 07:58 AM
arivero

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3,081 
hi, i would need help to compute (approximately) the functional determinant
Det ( \partial ^{2} + V(\phi ) )
...

Nov608 02:19 AM
mhill

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1,538 
I have an relevation. Where should I submit this, it has to do with quantum physic's of heat, and how that interacts...

Nov408 03:03 PM
Hootenanny

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1,734 
http://fisica.ufmt.br/school2/
Some of the invited speakers: Paul Davies, Abhay Ashtekar, Lawrence M. Krauss, James...

Nov408 01:20 PM
marcus

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2,102 
A proposed MDM goes beyond the standard model in a minimal way, so as to produce a candidate for dark matter. Here is...

Nov208 11:37 AM
ccdantas

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3,196 
In super yang mills theories in 4,6,10 dimensions, the supersymmetry transformation is often written as (ignoring...

Oct3008 02:34 AM
BenTheMan

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1,485 
Hi
I'm trying to learn more about Quantum Foam and naturally my curiosity led me to Wiki. In Wikipedia, it says...

Oct2908 10:11 AM
starkind

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2,075 
This morning an odd thought struck me: Is it possible to consider
closed (oriented) strings which are entangled into...

Oct2808 04:37 PM
Octodude

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4,255 
some of us will want to follow this
http://golem.ph.utexas.edu/category/2006/09/connes_on_spectral_geometry_of.html
...

Oct2808 12:37 PM
mhill

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could anyone tell me where i could find a comprehensive introduction to Utiyama Mathematical reformulation of gravity...

Oct2808 04:06 AM
mhill

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Hi everybody,
I want to tackle the study of the physics of new dimensions: theoretical and phenomenological (Dark...

Oct2708 11:49 AM
Atakor

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I have read almost every article there is concerning the superstrings theory and i must say that it fascinates me......

Oct2608 10:37 AM
poeteye

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1,385 